40122454019 has 8 divisors (see below), whose sum is σ = 40170832800. Its totient is φ = 40074106176.

The previous prime is 40122454007. The next prime is 40122454027. The reversal of 40122454019 is 91045422104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40122454019 - 2⁴ = 40122454003 is a prime.

It is a super-2 number, since 2×40122454019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122459019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453929 + ... + 3465525.

It is an arithmetic number, because the mean of its divisors is an integer number (5021354100).

Almost surely, 2^40122454019 is an apocalyptic number.

40122454019 is a deficient number, since it is larger than the sum of its proper divisors (48378781).

40122454019 is a wasteful number, since it uses less digits than its factorization.

40122454019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 40122454019 in words is "forty billion, one hundred twenty-two million, four hundred fifty-four thousand, nineteen".